Use PADR(NVL(i1,""),11) to make it work correctly for NULL values.

>Hi All,
>
>this is for your information, you might confirm as well.
>
>Version mentioned is just the highest, I can follow the problem down to VFP 7.0
>
>Following construct:
>

>CREATE CURSOR curTest (i1 I NULL)
>
>INSERT INTO curTest VALUES (.NULL.)
>delete
>INSERT INTO curTest VALUES (1)
>INSERT INTO curTest VALUES (20)
>
>SELECT PADR(i1,11) FROM curTest
>

>Result is
>
>1
>2
>
>Table structure of result shows that the result contains one char field of lenght 1 (instead of 11)
>
>Some experiments with WHERE, NVL, JOIN allways return the same.
>
>It does not matter if the record is deleted or not, only factor is that it is the first one.
>
>Update
>Other approaches like CAST or BINTOC will solve my problem (I need a character version of a interger surrogate key for a combobox)
>
>Agnes